Home / 53,691.48-74,094.30-29,818.20

Finding the Fourth Proportional to 53,691.48, 74,094.30 and 29,818.20

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Solution

The fourth proportional to 53,691.48, 74,094.30 and 29,818.20 is: 41,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.48 : 74,094.30 = 29,818.20 : x
  2. Step 2: Convert to fraction form
    53,691.48/74,094.30 = 29,818.20/x
  3. Step 3: Cross multiply
    53,691.48x = 74,094.30 × 29,818.20
  4. Step 4: Simplify right side
    53,691.48x = 2,209,358,656.26
  5. Step 5: Solve for x
    x = 2,209,358,656.26/53,691.48
  6. Step 6: Final answer
    x = 41,149.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.